Sudoc Stem: A 57.23 - Blacklight Search Results

Start Over Sudoc Stem A 57.23

21. Posters. Story of 3 cornfields and the soil they lost per acre each year; [poster].

Corporate/Agency Authors:: Soil Conservation Service and Agriculture Department
Publisher:: Soil Conservation Service
Date:: Mar. 1939
SuDoc number:: A 57.23:13

22. Posters. Soil management program for cropland; [all lettered poster].

Corporate/Agency Authors:: Soil Conservation Service and Agriculture Department
Publisher:: Soil Conservation Service
Date:: Feb. 1939
SuDoc number:: A 57.23:11

23. Soil erosion. Chart 1-10.

Corporate/Agency Authors:: Soil Conservation Service and Agriculture Department
Publisher:: Soil Conservation Service
Date:: [1938.]
SuDoc number:: A 57.23:1-10

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